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<h1 class="topictitle1">更新文件扩展名过滤规则</h1>
<div id="body0000001337048305"><p id="ZH-CN_TOPIC_0000002042804920__p1175219117541">如果需要更新租户的<span id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001337048305_text846639844">文件扩展名过滤规则</span>，请参考本节操作。</p>
<div class="section" id="ZH-CN_TOPIC_0000002042804920__section142071477415"><h4 class="sectiontitle">前提条件</h4><p id="ZH-CN_TOPIC_0000002042804920__p1246616101742">如果需要对租户新增要拦截的文件扩展名，请先参考<a href="zh-cn_topic_0000002042963184.html">创建文件扩展名过滤规则</a>创建<span id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001337048305_text607098319">文件扩展名过滤规则</span>。</p>
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<div class="section" id="ZH-CN_TOPIC_0000002042804920__section17376163323112"><h4 class="sectiontitle">操作步骤</h4><ol id="ZH-CN_TOPIC_0000002042804920__ol13790921131411"><li id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001166366216_zh-cn_topic_0000001091431193_li1570821013536"><span>在导航栏选择“数据安全 &gt; 防勒索 &gt; 勒索检测设置”。</span></li><li id="ZH-CN_TOPIC_0000002042804920__li914816333333"><span>在<span class="uicontrol" id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001337048305_uicontrol8402121023918">“勒索检测设置”</span>页签，单击某个租户所在行的<span class="menucascade" id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001337048305_menucascade8114435113917">“<span class="uicontrol" id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001337048305_uicontrol2011413513394">更多</span> &gt; <span class="uicontrol" id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001337048305_uicontrol3568636123911">更新<span id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001337048305_text1132193183">文件扩展名过滤规则</span> </span>”</span>。</span><p><p id="ZH-CN_TOPIC_0000002042804920__p14624039736">系统弹出<span class="uicontrol" id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001337048305_uicontrol2014963314339">“更新<span id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001337048305_text114963319334">文件扩展名过滤规则</span>”</span>窗口。</p>
<p id="ZH-CN_TOPIC_0000002042804920__p15341148193616"><span><img id="ZH-CN_TOPIC_0000002042804920__image8804142474119" src="zh-cn_image_0000002079044069.png" height="530.7557850000001" width="360.0975"></span></p>
<p id="ZH-CN_TOPIC_0000002042804920__p6383161183714">对于列表中的<span id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001337048305_text298711741">文件扩展名过滤规则</span>，请根据需要勾选或取消勾选。所有已勾选的<span id="ZH-CN_TOPIC_0000002042804920__zh-cn_topic_0000001337048305_text1197084003711">文件扩展名过滤规则</span>会自动关联到当前租户。</p>
<div class="note" id="ZH-CN_TOPIC_0000002042804920__note1969617543811"><img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span><div class="notebody"><p id="ZH-CN_TOPIC_0000002042804920__p469618510386">所有已关联到当前租户的文件扩展名过滤规则默认勾选。</p>
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</p></li><li id="ZH-CN_TOPIC_0000002042804920__li101991739197"><span>单击<span class="uicontrol" id="ZH-CN_TOPIC_0000002042804920__uicontrol1990915474914">“确定”</span>。</span></li></ol>
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